The mural was defaced after Barca sporting director Deco said they could target the winger, who scored in last year’s European Championship final against England to guide Spain to a record fourth title. Williams’ new release clause is likely to put off Arsenal for now, but the Gunners do remain keen to sign a new wide forward.

The Catalan club were rebuffed by Athletic Club last summer and had to compete with Bayern Munich for the winger.

Barcelona’s hopes of signing Nico Williams have ended after the Spanish international signed a new eight-year contract with Athletic Bilbao, keeping him